Cheapest return flights from Denver to Frankfurt in December from 500€

AirHint found the following cheapest return flights from Denver (DEN) to Frankfurt (FRA) in December 2025 (see full year).

Return flights

02 Dec - 10 Dec Icelandair
03 Dec - 10 Dec Icelandair
02 Dec - 16 Dec Lufthansa direct
02 Dec - 10 Dec Lufthansa direct
03 Dec - 10 Dec Lufthansa direct
23 Dec - 30 Dec United
05 Dec - 19 Dec United
13 Dec - 20 Dec Icelandair
13 Dec - 20 Dec United direct
22 Dec - 02 Jan Air Canada
21 Dec - 27 Dec Brussels Airlines

Also check the deals for one-way flights from Denver to Frankfurt in December.

Skyscanner

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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